Finding the Fourth Proportional to 1,098,563.49, 1,515,772.42 and 663,051.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,563.49 : 1,515,772.42 = 663,051.48 : x
2. Step 2: Convert to fraction form
   1,098,563.49/1,515,772.42 = 663,051.48/x
3. Step 3: Cross multiply
   1,098,563.49x = 1,515,772.42 × 663,051.48
4. Step 4: Simplify right side
   1,098,563.49x = 1,005,035,139,082.41
5. Step 5: Solve for x
   x = 1,005,035,139,082.41/1,098,563.49
6. Step 6: Final answer
   x = 914,863.04